What type of substances must be avoided in discharge during vehicle and equipment operation?

The focus on avoiding hazardous substances and toxic materials during vehicle and equipment operation is crucial for both environmental protection and public health. Hazardous substances can include a wide range of chemicals that pose risks to water quality, ecosystems, and human health if they enter stormwater systems. This includes heavy metals, hydrocarbons, pesticides, and certain industrial byproducts that can contaminate waterways.

These substances can have harmful effects on aquatic life, disrupt ecosystems, and, in some cases, affect drinking water supplies. By prioritizing the elimination of hazardous substances and toxic materials in discharges, stormwater management practices aim to reduce pollution and preserve environmental integrity.

Other substances listed, such as harmful chemicals, non-toxic solvents, and water-based paints, may not encompass the full breadth of contaminants that can pose risks during vehicle and equipment operation. It is essential to take a comprehensive approach to water quality by focusing on the broad categories of hazardous and toxic materials to protect environmental and public health effectively.